2022 eastern Australia floods in the context of "Sunshine Coast, Queensland"

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⭐ Core Definition: 2022 eastern Australia floods

The 2022 eastern Australia floods were one of the nation's worst recorded flood disasters with a series of floods that occurred from late February to early May in South East Queensland, the Wide Bay–Burnett and parts of coastal New South Wales. Brisbane suffered major flooding, along with the cities of Maryborough, Gympie, the Sunshine Coast, Caboolture, Toowoomba, Gatton, Ipswich, Logan City, the Gold Coast, Murwillumbah, Mullumbimby, Grafton, Byron Bay, Ballina, Lismore, the Central Coast and parts of Sydney.

Twenty-four people are known to have died during the disaster. Throughout South East Queensland and the Wide Bay–Burnett, almost one thousand schools were closed in response to the flooding, evacuations took place and the public were advised to avoid non-essential travel. Food shortages were reported across the region, due to the ensuing supply chain crisis as well as affecting communities in outback Queensland.

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2022 eastern Australia floods in the context of Urban flooding

Urban flooding is the inundation of land or property in cities or other built environment, caused by rainfall or coastal storm surges overwhelming the capacity of drainage systems, such as storm sewers. Urban flooding can occur regardless of whether or not affected communities are located within designated floodplains or near any body of water. It is triggered for example by an overflow of rivers and lakes, flash flooding or snowmelt. During the flood, stormwater or water released from damaged water mains may accumulate on property and in public rights-of-way. It can seep through building walls and floors, or backup into buildings through sewer pipes, cellars, toilets and sinks.

There are several types of urban flooding, each with a different cause. City planners distinguish pluvial flooding (flooding caused by heavy rain), fluvial flooding (caused by a nearby river overflowing its banks), or coastal flooding (often caused by storm surges). Urban flooding is a hazard to both the population and infrastructure. Some well known disaster events include the inundations of Nîmes (France) in 1998 and Vaison-la-Romaine (France) in 1992, the flooding of New Orleans (United States) in 2005, and the flooding in Rockhampton, Bundaberg, Brisbane during the 2010–2011 Queensland floods in Australia, the 2022 eastern Australia floods, and more recently the 2024 Rio Grande do Sul floods in Brazil.

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